74 NORTH AMERICAN FLORA [Volume 24 



51. Parosela Barberi Rose, sp. nov. 



A slender annual; stem about 3 dm. high, glabrous, striate, sparingly glandular-dotted; 

 leaves 3-5 cm. long; stipules minute, subulate; petiole 5-6 mm. long; rachis glabrous, gland- 

 less; stipels wanting; leaflets 9-17, elliptic, 8-10 mm. long, rounded or retuse at the apex, 

 glabrous on both sides, yellowish-green above, glaucous and minutely glandular-dotted be- 

 neath; peduncles terminating the branches, 1.5-5 cm. long; spikes dense, 1-2 cm. long, 1 cm. 

 in diameter; bracts ovate-lanceolate, acuminate, scarious-margined, fuscous and glandular- 

 dotted on the back, caducous; calyx-tube ellipsoid-campanulate, 3 mm. long, straw-colored; 

 lobes deltoid-lanceolate, acuminate, shorter than the tube; corolla blue; blade of the banner 

 cordate, retuse at the apex, 4.5 mm. long, the claw 2 mm. long; blades of the wings 2-2.5 mm. 

 long, rounded at the apex, the claws 1 mm. long; stamens 7 or 8, unequal; pod slightly pubes- 

 cent. 



Type collected in the Sierra Madre near Colonia Garcia. August 22, 1899, Townsend &■ Barber 

 27S (U.S.Nat. Herb.). 



52. Parosela lucida Rose, sp. nov. 



An annual; stem stout, glabrous, branched above, striate, glandular-dotted; leaves about 

 4 cm. long; stipules minute, subulate; petiole about 5 mm. long; rachis glabrous, slightly mar- 

 gined; stipels represented by sessile glands; leaflets 21-27, oblong or linear-oblong, obtuse or 

 acutish, glabrous on both sides, glandular-dotted and glaucous beneath; peduncles terminating 

 the branches, about 1 cm. long; spikes dense, 1.5-3 cm. long, 1.5 cm. thick; bracts lanceolate, 

 acuminate, glandular-dotted, caducous; calyx-tube ellipsoid, membranous, 5 mm. long; lobes 

 very short, 1 mm. long, subulate, with a broad base; blade of the banner cordate, 1.5 mm. 

 long, the claw 3 mm. long; wings apparently lacking; pod membranous, obliquely obovate, 

 glabrous, slightly glandular. 



Type collected at Cajetes, Durango, 1896, Edward Palmer 955 (U. S. Nat. Herb. no. 304753). 



XII. Polygonoides. Low glabrous annuals of the habit of the next section. Leaflets 

 several pairs, mostly oblong. Spikes dense and short; bracts lanceolate to ovate-acuminate, 

 dark-colored, equaling or slighting exceeding the calyx. Calyx-tube urceolate or in fruit 

 campanulate, split on the back half-way down; lobes subulate from a broad base, with 10 dark 

 ribs. Corolla violet or blue to white. Blade of the banner oval or ovate. Wings and keel- 

 petals inserted at or below the middle of the staminal tube, the blades obliquely oblong or 

 elliptic, short -clawed. [Approaching the annual species of Petalostrmon in habit and shape of 

 the petals.] 



53. Parosela fissa Rydberg, sp. nov. 



An annual; stem about 5 dm. high, glabrous, more or less tinged with red; leaves 3-5 cm. 

 long; stipubs subulate, 5-7 mm. long, reddish; rachis glabrous or with a few scattered hairs; 

 stipels conic, gland-like; leaflets oblong-oblanceolate, acute, 8-10 mm. long, glabrous above, 

 sparingly ciliate on the margins and veins beneath, and the lower surface glandular-dotted; 

 peduncles terminating the branches, 5-10 cm. long; spikes dense, 1-2 cm. long, 12 mm. thick; 

 bracts ovate or lanceolate, caudate-acuminate, pilose and glandular-dotted on the back; 

 calyx-tube campanulate, 3 mm. long, pilose, indistinctly glandular; lobes subulate-filiform 

 from a broad base, 3 mm. long; corolla violet or the banner pale-blue; blade of the banner 

 broadly oblong-oval, 5 mm. long, 4 mm. broad, the claw 2 mm. long; wings and keel-petals 

 inserted towards the base of the staminal tube; blades of the wings oblong, with a rounded 

 basal lobe, 5.5 mm. long, those of the keel-petals as long, broadly obliquely obovate, the 

 claws of both 2 mm. long; pod villous. 



Type collected near Santa Teresa, Tepic, August 11. 1897, Rose 2181 (U. S. Nat. Herb. no. 

 301001). 



Distribution: Type locality and vicinity. 



